Chapter 14
Atomic Spectroscopy
Spectroscopie atomique : absorption, émission et fluorescence
Atomic spectroscopy is a vital tool in elemental analysis, both qualitatively and quantitatively. It can be broadly divided into optical spectroscopy, ...
Spectroscopie atomique : effets de la température
Atomization, converting samples into gas-phase atoms and ions, is essential for atomic spectroscopy. The flame temperature required for atomization ...
Spectroscopie d’absorption atomique : Vue d’ensemble
Atomic absorption spectroscopy (AAS) is a technique used to analyze elements by measuring electromagnetic radiation (EMR) absorbed by atoms, which causes ...
Spectroscopie d’absorption atomique : instrumentation
An atomic absorption spectrophotometer (AAS) comprises several components: a radiation source, an atomizer, a monochromator, and a detector. The radiation ...
Spectroscopie d’absorption atomique : rayonnements et sources lumineuses
Atomic absorption spectroscopy (AAS) relies on the Beer-Lambert law, which requires that the radiation source emits a narrow range of wavelengths to match ...
Spectroscopie d’absorption atomique : méthodes d’atomisation
Atomic Absorption Spectroscopy (AAS) atomizes samples through flame atomization or electrothermal atomization. Flame atomization typically involves a ...
Spectroscopie d’absorption atomique : interférence
Interference leads to systematic error in atomic absorption (AA) measurements by enhancing or diminishing the analytical signal or the background. These ...
Spectroscopie d’absorption atomique : Laboratoire
For AAS measurements, samples must be introduced as clear solutions, often requiring extensive preliminary treatment to dissolve materials like soils, ...
Spectroscopie d’émission atomique : vue d’ensemble
Atomic emission spectroscopy (AES) is an analytical technique used to determine the elemental composition of a sample by analyzing the light emitted from ...
Spectroscopie d’émission atomique : instrumentation
The instrumentation of atomic emission spectrometry (AES) involves various components, including atomization devices that convert samples into gas-phase ...
Spectroscopie d’émission atomique : interférence
In atomic emission spectroscopy (AES), high-temperature atomizers excite a broad range of elements and molecules that generate complex emissions from ...
Spectroscopie d’émission atomique à plasma à couplage inductif : principe
Inductively coupled plasma (ICP) is the most widely used plasma source in atomic emission spectroscopy (AES), also known as Inductively Coupled Plasma ...
Spectroscopie d’émission atomique à plasma à couplage inductif : instrumentation
Inductively coupled plasma (ICP) is the common plasma source used in atomic emission spectroscopy (AES), a technique that detects and analyzes various ...
Spectroscopie d’émission atomique : Laboratoire
AES is a powerful analytical technique, especially effective when used with plasma sources, producing abundant spectra in characteristic emission lines. ...
Spectroscopie de fluorescence atomique
Atomic fluorescence spectroscopy (AFS) is an analytical technique that involves the electronic transitions of atoms in a flame, furnace, or plasma being ...
Photométrie à flamme : Vue d’ensemble
Flame photometry, also known as flame emission spectrometry, is a technique used for the qualitative and quantitative analysis of elements present in a ...
Photométrie à la flamme : Laboratoire
In a flame photometer, when a solution like potassium chloride is aspirated into the flame, the solvent evaporates, leaving behind dehydrated salt. This ...
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